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116
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1 /* Quick hack to get posix.getcwd() working for pure BSD 4.3 */
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2
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3 #include "sys/param.h"
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4 #include "errno.h"
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5
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6 extern int errno;
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7
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8 extern char *getwd();
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9
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10 char *
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11 getcwd(buf, size)
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12 char *buf;
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13 int size;
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14 {
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15 char localbuf[MAXPATHLEN+1];
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16 char *ret;
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17
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18 if (size <= 0) {
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19 errno = EINVAL;
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20 return NULL;
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21 }
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22 ret = getwd(localbuf);
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23 if (ret != NULL && strlen(localbuf) >= size) {
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24 errno = ERANGE;
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25 return NULL;
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26 }
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27 if (ret == NULL) {
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28 errno = EACCES; /* Most likely error */
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29 return NULL;
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30 }
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31 strncpy(buf, localbuf, size);
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32 return buf;
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33 }
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34
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35 /* PS: for really old systems you must popen /bin/pwd ... */
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